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Why does phosphorus exist as PCl(5) but ...

Why does phosphorus exist as `PCl_(5)` but nitrogen cannot exist as `NCl_(5)` ?

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P can exhibit `+5` oxidation state in its compounds while N can not.
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Knowledge Check

  • White phosphorus exists as

    A
    `P_(8)` molecules
    B
    `P_(4)` molecules
    C
    `P_(2)` molecules
    D
    `P_(6)` molecules

  • Nitrogen exist as

    A
    diatomic molecule
    B
    monoatomic molecule
    C
    triatomic molecule
    D
    tetraatomic molecule

  • PCl_(5) exists but NCl_(5) does not due to

    A
    inertness of `N_(2)`
    B
    `NCl_(5)` is unstable
    C
    larger size of N
    D
    non-availability of vacant d-orbitals
    • DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Assignment
    1. Why does phosphorus exist as PCl(5) but nitrogen cannot exist as NCl(5...

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    2. Draw the structure of N(2)O(5).

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    3. Why is ammonia a stronger base than phosphine ?

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    4. Why is Bi(V) a stronger oxidant than Sb(V) ?

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    5. Phosphorus shows greater tendency for catenation than nitrogen. Why ?

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    6. Why is the bond angle in PH(3) molecule lesser than that in NH(3) mole...

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    7. All bonds in the molecule of PCl(5) are not equivalent. Explain.

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    8. Why is NH(3) a stronger base than PH(3) ?

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    9. In the structure of HNO(3), why is N-O bond (121 pm) shorter than N-OH...

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    10. H(3)PO(2) " and " H(3)PO(3) act as good reducing agents while H(3)PO(4...

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    11. Why is bond angle in PH(4)^(+) ion higher than in PH(3) ?

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    12. Why phosphorus is more reactive than nitrogen?

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    13. H(3)PO(3) is diprotic (or dibasic). Why ?

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    14. Which is a stronger reducing agent, SbH(3) " or " BiH(3) and why ?

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    15. Why is nitrogen (N(2)) much less reactive than phosphorus (P(4))

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    16. What happens when the following are heated ? (i) PCl(5) (ii) H(3)PO(...

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    17. Why does PH(3) have lower boiling point than NH(3) ?

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    18. Write main differences between the properties of white phospghorus and...

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    19. Why is PCl(5) molecule more covalent than PCl(3) molecule ?

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    20. The basicity of phosphorus acid (H(3)PO(3)) is ............ .

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